Quick answers
- Which hospitals does Gregory Nicholson work at?
- Medicare's official clinician data lists Gregory Nicholson at 2 hospitals: Edward Hospital and Rush University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Nicholson see patients?
- Medicare's clinician data lists 4 practice locations, including Chicago, IL, Glenview, IL and Munster, IN. Call before your visit to confirm the address.
- What is Gregory Nicholson's specialty?
- Medicare lists Sports Medicine as the primary specialty, and also Orthopedic Surgery.
- Does Gregory Nicholson accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Nicholson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory Nicholson?
- (877) 632-6637, as listed in official Medicare / NPI Registry data.
- What is Gregory Nicholson's NPI number?
- 1477532141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Nicholson works
Medicare's Facility Affiliation Data lists Gregory Nicholson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward HospitalNaperville, IL · Acute Care Hospital · CCN 140231
- Rush University Medical CenterChicago, IL · Acute Care Hospital · CCN 140119
Practice locations
Addresses where Gregory Nicholson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1611 W Harrison St, Suite 400Chicago, IL 60612 (877) 632‑6637
- 2600 Compass RdGlenview, IL 60026
- 9601 Calumet AveMunster, IN 46321 (877) 632‑6637
- 963 N 129th Infantry DrJoliet, IL 60435 (877) 632‑6637
Group practices
Medicare enrollment lists Gregory Nicholson as a member of these groups (CMS data updated 2026-10-02).
- Select Rehabilitation, LLC2,046 clinicians in the group
- Orthomidwest, PLLC547 clinicians in the group
Specialties
- Sports Medicineprimary
- Orthopedic Surgeryalso
Other sports medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477532141 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians